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Documentation Index

Fetch the complete documentation index at: https://fillout.com/help/llms.txt

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Overview

Customizing your form’s link preview text and image is an important way to optimize the shareability of your form. When you share your form on other sites or social media platforms, the Meta information such as the title, description, and thumbnail play a crucial role in attracting users to click on your link. Screenshot of the Share tab of a form
This feature is available to Pro users and above. For more details on pricing, click here.

How to edit share preview

By default, your form’s share preview shows the name of your form and a general description. To change this, click Share on top. Screenshot 2025-12-01 at 7.07.19 PM.png On the lower right area, edit the details as you see fit and Upload image to change the default Thumbnail. Copy your form link and paste it anywhere you’d like, such as a messaging app or website. Here’s how our example looks like when sent in iMessage. Remember to Publish your form to make the latest changes reflect.
Preview images are cached by platforms, so it may take time for the updated thumbnail to show. Test your preview here.

Custom form links

Customize your form’s share link, subdomain and URL ending.

Add a logo

Add a professional touch and create strong brand identity.

Use custom domains

Customize form URLs to enhance your branding.